21225+4409 HJ 1640
21h 22m 35.66s +44° 08' 40.9" P.A. 35.00 sep 7.4 mag 10.69,11.90
| Coord 2000 |
21225+4409 |
|
Discov num |
HJ 1640 |
|
Comp |
|
|
Coord arcsec 2000 |
21 22 35.66 +44 08 40.9 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
54 |
|
Pa last |
34.6 |
|
P.A. Now (θ) |
34.6° |
|
| Sep first |
6.0 |
|
Sep last |
7.413 |
|
Sep. Now (ρ) |
7.413" |
|
| Mag pri |
10.69 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
1.21 |
|
Spectral class |
|
|
| Pri motion ra |
+022 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
rPM=1.333
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3194-01339-1 |
|
Gaia DR2 |
1970830784122080256 |
|
